sorry the reply i sent on exhaust did not follow the exact link to summit. wlk-17219 is a 2-1/2" wlk-17221 is a 3" these are normally 70 bucks, now 20 after rebate. fwiw, the local shop sells thes for 125 each tom 65 satellite http://store.summitracing.com/default.asp?target=/egnsearch.asp&N=400358 __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com